Outward/inward rotation allows for easier application and storage. Device surrounds the electrical plug and protect against accidental reconnection. The unique, patented rotating design allows for easier installation in confined space applications. The tough, lightweight dielectric Zenex™ Thermoplastic body withstands chemicals and performs effectively in extreme conditions. Each size rotates into itself and nests into the next larger size to save space in safety tool boxes. Center knockout can be removed for rising stem gate valves. Multiple workers can apply their personal safety padlocks.